Collecting agent for sulphidic ores, the production and use thereof
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United States of America Patent
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Sep 12, 2006
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app pub date -
Jul 22, 2003
filing date -
Aug 3, 2002
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Abstract
A method for the flotation of sulfide ores is disclosed. The method comprises contacting the sulfide ores with a composition comprising at least one compound of the formula ##STR00001## where R.sup.1, R.sup.2 and R.sup.3 independently of one another are alkyl groups having 1 to 18 carbon atoms, alkenyl groups having 2 to 18 carbon atoms, aryl groups having 6 to 10 carbon atoms, or alkylaryl groups having 7 to 10 carbon atoms.
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